Needle coke raw material pretreatment heat recovery device

The utility model belongs to the field of chemical heat recovery equipment, and particularly relates to a needle coke raw material pretreatment heat recovery device. The device comprises a raw material tank, a heating furnace and a distillation tower, the bottom of the distillation tower is connected with a first heat exchanger, and the first heat exchanger is further connected with a heating water tank; the lower part of the distillation tower is connected with a second heat exchanger, the second heat exchanger is also connected with a first steam generator, and the first steam generator is connected with a second steam generator; the raw material tank is connected with the heating furnace through the first heat exchanger, the second heat exchanger, the third heat exchanger and the fourthheat exchanger. By additionally arranging the heat exchanger, the steam generator and the heating water tank, a large amount of heat can be recycled, the heat utilization rate is improved, energy consumption of the device is